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Terms for subject Environment containing clean air | all forms | exact matches only | in specified order only
| English | Chinese |
| Clean Air Act | 美国清洁空气法案 |
| clean air area Areas where significant reductions in ozone forming pollutants have been achieved through industrial initiatives to control and/or prevent pollution, through implementation of transportation improvement plans, national efforts to reduce automobile tailpipe emissions and lower the volatility (evaporation rate) of gasoline | 空气洁净区 (通过控制工业的主动排放和/或防止污染，交通改善计划的实施，以及国家为了减少机动车辆废气排放量和降低汽油挥发性而做的努力而实现的污染物形成显著减少的清新空气地区。) |
| clean air car Vehicles that function without emitting pollutants in the atmosphere | 空气洁净车 (具有不向大气中排放污染物功能的车辆。) |
| clean air projector | 清洁空气规化【发起】人 |
| Federal Clean Air Act | 联邦清洁空气法案 |
| Oil Companies International Study Group for Conservation of Clean Air and Water | 石油公司保护净化空气和水资源国际研究组 |